MTBF and hardware reliability

MTBF and hardware reliability

This year’s University Entrance Exam (EVAU) for physics in Madrid included a question on atomic decay..

The difficulty could lie not so much in physical concepts as in statistics, and with an equation as simple and seemingly innocent as the exponential: This equation

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Peer-to-peer networks

Peer-to-peer networks

Cryptocurrencies have been hailed as one of the greatest technological revolutions of recent years. Bitcoin is the pioneer and best-known of them, but there are hundreds more – each with different characteristics, objectives and technologies behind them to make them work. Readers might think that electronic money already existed long before cryptocurrencies, and they would be right. Bank...

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How did Blockchain commence?

How did Blockchain commence?

As we previously mentioned in an article published in June 2019, the Bitcoin did not create a new computer technology but integrated a series of pre-existing techniques in a revolutionary manner. The possibilities this protocol could bring were soon condensed in a new disruptive paradigm known as BLOCKCHAIN. But what is Blockchain exactly? In its strictest sense, Distributed Ledger Technology...

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All gigabit accesses are born (free?) and equal…

All gigabit accesses are born (free?) and equal…

When gigabit accesses are mentioned, the first thing that comes to mind for most of us (especially in Spain) is a fibre-optic access network for speeds beyond 50Mb. Carriers take the optical fibre to your home, install an ONT and that’s it. Customers can choose between 100Mbps, 300Mbps, 600Mbps and even 1Gbps plans, depending on what they’re willing to pay. If there is no fibre coverage at your...

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Why Apache Kafka?

Why Apache Kafka?

These days, numerous applications follow a microservices architecture. And many applications manage large amounts of data (user activity on the application, logs, metrics, etc.) that are constantly travelling back and forth between microservices. This can produce a series of problems when it comes to integrating all this information – such as the synchronization, scaling and processing of the...

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In the beginning there was BITCOIN

In the beginning there was BITCOIN

Few things have spurred as much interest in the ICT sector in recent times as Blockchain technology. It stems from an article titled “Bitcoin: A Peer-to-Peer Electronic Cash System” published on May 24, 2008 by a certain Satoshi Nakamoto[1] , along with a computer application launched a few months later (November 1, 2008). Whether or not Satoshi Nakamoto (whose identity remains mysterious, but...

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